Question about HP Compaq Business Notebook NX9010

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Screen Problem My screen just went black (no spark, no smoke, no nothing) the time I put it on, someone says that one of the fuse on the screen is bad and current passed through (doesnt sound electrically correct). It just wouldnt come on exept on an external monitor. the fuse he's talkin about is dark while the other is cream/brown. Pls help me out

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"one of the fuse on the screen is bad and current passed through"

Well , that is quite approximative, but there is some truth.

If display is not coming on then there may be three common faults causing this:

  1. LCD DISPLAY
  2. INVERTER/BACKLIGTH
  3. RIBBON CABLE

  1. LCD DISPLAY
    This is the display panel itself , when it is defective, you get no picture.
  1. INVERTER/BACKLIGTH
    The inverter is the electronic board that powers the back ligh lamp. When the inverter is faulty you get no backlight, and very dark picture, or no picture at all. The inverter is not an expensive part, but must be tested before replacement.
  2. RIBBON CABLE
    This is the cable that connects to the LCD display, carrying power and video signal. If it is broken or misplaced you get no video.



Posted on Jan 10, 2009

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I hope fuse will not be provided in laptops check the signal cable with multimeter

Posted on Jan 10, 2009

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